Please see https://www.xfinity.com/support/articles/adding-new-user-names-or-email-addresses. If you follow the instructions under "Add or Invite a New User to Your Account" on that page and select "Create credentials", the user ID you create is also an email ID.
Hi R_Hernandez. Welcome to the Xfinity Forums and thank you for creating your first post. Were you able to use the instructions provided by BruceW to create an additional email account? If you need further help, let us know, that's what we are here for!
Hi R_Hernandez. Since we didn't hear back from you, this thread has been locked. Please don't hesitate to create a new post if you need assistance with anything else. Thank you.